added rpm changelog puller

command_line/rpm_package_changelog_pull.rb

@@ -0,0 +1,22 @@
+#!/usr/bin/env ruby
+# this program will lookup an rpm pkg and create a json of the changes
+
+require 'pry'
+require 'json'
+require 'digest'
+
+pkgname = ARGV[0]
+
+# gives us an array of hashes where each element looks like [{:date => date, :name => name}]
+rpm_name_and_date_query= `rpm -q --qf '[date:%{CHANGELOGTIME:day}\nname:%{CHANGELOGNAME}\n]' #{pkgname}`.split("\n").each_slice(2).map {|s| s.map {|r| r.split(":")}.to_h}
+
+# we add in the ascii code for record separator in our query to split this afterwards so we get an array of each changelog item
+split_char = '&#030'
+
+rpm_text_query = `rpm -q --qf '[%{CHANGELOGTEXT}#{split_char}]' #{pkgname}`.split(split_char)
+
+hashed_changes = rpm_text_query.map {|changetext| hash = Digest::SHA2.hexdigest changetext; {"checksum" => hash} } 
+
+results = rpm_name_and_date_query.zip(hashed_changes)
+
+binding.pry